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This fact sheet contains general information. Each person should be referred to a genetic service for further information and advice about what a faulty BRCA1 gene means for them.

Key Points

  • Women with a faulty BRCA1 gene have an increased chance of developing breast and ovarian cancer.
  • Men with a faulty BRCA1 gene have a slightly increased chance of developing prostate and breast cancer.
  • Men and women can be referred to a genetic service where experts can provide information, support and advice about their chance of developing cancer and the option of genetic testing.

This cancer genetics fact sheet is a guide only and cannot cover every possible situation. The information provided is not intended to replace discussion with a health professional, and should not be interpreted as medical advice. While eviQ endeavours to link to reliable sources that provide accurate information, eviQ and the Cancer Institute NSW do not endorse or accept responsibility for the accuracy, currency, reliability or correctness of the content of linked external information sources. Use of this document is subject to eviQ's disclaimer available at  

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09 Dec 2022